Granted Patent
Utility
US 4,844,791 · App. 06/919,192
Hydroprocessing with a catalyst containing non-hydrolyzable halogen
Inventor:
Eric L. Moorehead
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Oct 15, 1986
Inventor
Eric L. Moorehead
Assignee (at issue)
Union Oil Company of California
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.